🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 152.1

Radius: 12.4

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 0.68 AU - 0.84 AU

Year: 457 Days

Day: 9.2 Hours

Environment

Temp: -161 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,425,863 km

• M1: 154,235 km (0.066 R)
• M2: 623,374 km (0.107 R)
• M3: 1,224,309 km (0.115 R)
• M4: 1,619,397 km (0.111 R)
• M5: 2,087,189 km (0.054 R)
• M6: 2,765,167 km (0.05 R)
• M7: 3,361,315 km (0.048 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.5

Radius: 10

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 1.1 AU - 1.58 AU

Year: 1071 Days

Day: 13 Hours

Environment

Temp: -193 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 39,425,863 km

• M1: 124,914 km (0.05 R)
• M2: 652,845 km (0.102 R)
• M3: 1,341,145 km (0.114 R)
• M4: 1,717,234 km (0.053 R)
• M5: 2,194,152 km (0.07 R)
• M6: 3,895,080 km (0.101 R)
• M7: 4,501,998 km (0.071 R)
• M8: 5,645,973 km (0.06 R)
• M9: 6,129,324 km (0.11 R)
• M10: 8,628,506 km (0.068 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.8

Radius: 9.8

Gravity: 9.46 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.29 AU - 1.57 AU

Year: 1180 Days

Day: 8.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,425,863 km

• M1: 122,072 km (0.062 R)
• M2: 702,661 km (0.074 R)
• M3: 1,045,240 km (0.102 R)
• M4: 1,433,447 km (0.069 R)
• M5: 2,483,325 km (0.103 R)
• M6: 3,070,048 km (0.117 R)
• M7: 3,443,145 km (0.101 R)
• M8: 3,796,495 km (0.071 R)
• M9: 4,482,700 km (0.115 R)
• M10: 5,545,294 km (0.1 R)
• M11: 6,941,790 km (0.103 R)
• M12: 7,324,761 km (0.098 R)
• M13: 10,815,627 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.5

Radius: 14.5

Gravity: 0.89 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 1.34 AU - 1.9 AU

Year: 1423 Days

Day: 11.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 39,425,863 km

• M1: 180,265 km (0.119 R)
• M2: 795,561 km (0.066 R)
• M3: 1,569,431 km (0.039 R)
• M4: 2,130,722 km (0.12 R)
• M5: 2,711,461 km (0.096 R)
• M6: 3,739,648 km (0.095 R)
• M7: 4,196,968 km (0.107 R)
• M8: 5,066,730 km (0.082 R)
• M9: 5,667,067 km (0.075 R)
• M10: 6,335,021 km (0.064 R)
• M11: 6,924,137 km (0.061 R)
• M12: 7,435,313 km (0.101 R)
• M13: 8,483,845 km (0.067 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 242.9

Radius: 6.1

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 5.73 AU - 7.27 AU

Year: 11439 Days

Day: 15.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,425,863 km

• M1: 76,445 km (0.1 R)
• M2: 367,712 km (0.119 R)
• M3: 594,203 km (0.098 R)
• M4: 2,044,405 km (0.098 R)
• M5: 2,499,631 km (0.08 R)
• M6: 2,722,681 km (0.047 R)
• M7: 3,124,052 km (0.102 R)
• M8: 7,451,769 km (0.1 R)
• M9: 8,358,033 km (0.093 R)
• M10: 8,564,328 km (0.077 R)
• M11: 9,468,498 km (0.073 R)
• M12: 11,313,788 km (0.03 R)
• M13: 12,241,295 km (0.091 R)
• M14: 14,900,397 km (0.111 R)
• M15: 18,403,530 km (0.081 R)
• M16: 31,129,522 km (0.105 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 283.4

Radius: 4.9

Gravity: 11.8 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 5.5 AU - 7.62 AU

Year: 11598 Days

Day: 19.3 Hours

Environment

Temp: -234 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 39,425,863 km

• M1: 62,532 km (0.082 R)
• M2: 219,161 km (0.115 R)
• M3: 430,692 km (0.109 R)
• M4: 793,467 km (0.077 R)
• M5: 1,031,029 km (0.087 R)
• M6: 1,488,499 km (0.086 R)
• M7: 1,990,848 km (0.089 R)
• M8: 2,238,134 km (0.035 R)
• M9: 2,580,264 km (0.103 R)
• M10: 3,125,698 km (0.108 R)
• M11: 4,952,138 km (0.09 R)
• M12: 6,055,123 km (0.09 R)
• M13: 6,681,938 km (0.106 R)
• M14: 7,351,090 km (0.091 R)
• M15: 8,145,604 km (0.108 R)
• M16: 11,900,511 km (0.099 R)
• M17: 16,012,507 km (0.108 R)
• M18: 16,403,706 km (0.117 R)
• M19: 17,684,563 km (0.095 R)
• M20: 19,322,360 km (0.117 R)
• M21: 19,543,167 km (0.111 R)
• M22: 19,989,866 km (0.056 R)
• M23: 29,530,021 km (0.084 R)
• M24: 30,914,250 km (0.05 R)
• M25: 32,861,267 km (0.075 R)
• M26: 33,386,954 km (0.098 R)
• M27: 36,322,662 km (0.088 R)
• M28: 38,488,690 km (0.118 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 18,770 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit